A professionally designed irrigation system can turn your yard into a healthy, vibrant landscape while conserving water. But the success of your investment depends heavily on choosing the right contractor to install it. With so many options available, how can you tell the professionals apart from those who might leave you with uneven coverage or expensive repairs?

This guide outlines the most important questions to ask when interviewing an irrigation contractor. Organized by key areas, credentials, design approach, materials, installation process, and after-sale support, these questions will help you make an informed, confident choice.

Why Hire a Professional Irrigation Contractor?

While installing an irrigation system may seem straightforward, experienced contractors bring deep knowledge of water pressure, soil conditions, code compliance, and system design. DIY installations, or hiring someone unqualified, often lead to poor coverage, wasted water, and system failures that cost more to fix than hiring a professional in the first place.

Rain Bird Select Contractors bring years of experience and are trained to design systems that work efficiently, meet local regulations, and provide lasting value. They customize solutions based on your specific landscape needs, ensuring each zone gets the right amount of water without waste.

Hiring a qualified contractor is an investment that pays off with lower water bills, healthier plants, and a dependable system year after year.

1. What Should I Know About the Contractor’s Background?

Before discussing your project, verify you're working with a qualified professional.

Key questions:

• Are you licensed and insured to install irrigation systems in this area?
• How many years of experience does your company have?
• Can you provide your license number and references?
• Will you handle all required permits?

In many states, such as Texas, irrigation contractors must be licensed. Jacob Denny, owner of Lawn Sense in Plano, Texas, notes, "Some contractors want you to pull your permit yourself, but you still have to have an actual design done and stamped by a licensed irrigator. If not, the city can shut the job down and issue fines."

A reputable contractor will provide their license and insurance details up front. Look for professionals with a well-established online presence, including reviews, a website, and reliable contact information. A lack of these basics is a red flag.

2. How Will You Plan My Irrigation System?

Proper system design is what separates professionals from amateurs. A good contractor will assess your property thoroughly before quoting.

Key planning questions:

• Will you measure my property and test water pressure first?
• How will the system be customized to my landscape?
• Will you provide a detailed design with zone layouts and sprinkler placement?
• Do you account for local water restrictions?

Denny warns: "Be wary of anyone who gives an estimate without gathering important information first, like water pressure readings, water flow measurements, and property dimensions."

Expect the contractor to test your water supply using tools like the five-gallon bucket test and use plat maps or surveys for measurements. 

3. What Materials and Brands Do You Use?

The components used in your system directly affect performance and lifespan. Rain Bird products are known for reliability and efficiency, making them a smart choice.

Questions to ask:

• What brands do you use, and why?
• Do you install water-efficient parts like smart controllers and precision nozzles?
• Are components covered by a manufacturer warranty?
• Will you install a backflow preventer?

Contractors should be familiar with local codes and recommend systems that meet those standards. Denny adds, " Every city has local codes, but there's also some wiggle room. We would talk to a customer about options, like do you want drip line in the flower bed, or do you want spray heads in the flower bed?"

Ask specifically about nozzles and controllers. Advanced nozzles, like Rain Bird HE-VAN High-Efficiency Variable Arc Nozzles, provide better coverage and resist wind drift. Smart controllers like the Rain Bird's ARC series smart controllers, especially when paired with the Rain Bird 2.0 app, can adjust schedules based on weather and cut water usage by up to 50%.

4. What Can I Expect During Installation?

Understanding how installation will be handled helps prevent surprises and ensures quality work.

Installation questions:

• How long will the installation take?
• How will you protect my existing landscaping?
• How do you test the system once installed?
• What safety practices do you follow?

After installation, the contractor should test each zone, adjust heads, and program your controller for optimal coverage. Denny explains, " In Texas, we're under water restrictions where we can only water twice a week. So, if we need to water 60 minutes a week, but we can only do it twice a week, we'll water 10 minutes three times a day, twice a week to get the one inch per week."

5. What Support Do You Offer After Installation?

Professional contractors stand behind their work with solid warranties and ongoing support.

Support questions:

• What warranty do you offer for labor and components?
• Do you provide seasonal maintenance (e.g., spring start-up, winterization)?
• How quickly do you respond to repair or warranty issues?
• Who do I contact if there’s a problem?

Warranty coverage can vary. Some contractors only cover parts. Professionals typically offer multi-year warranties for both labor and materials.

“At Lawn Sense, we offer a three-year minimum,” Denny says. “Backflows and timers carry 10-year warranties. And we always answer the phone when you call.”

Make the Right Choice for Your Landscape

Choosing the right irrigation contractor can mean the difference between a system that performs flawlessly and one that causes endless headaches. Look for a contractor who invites your questions, provides detailed answers, and demonstrates real expertise. 

Ready to find a qualified professional?  Use Rain Bird's free contractor referral service to connect with trusted irrigation installers in your area.